<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
  <style>
    body{
      background-color: black;
    }
  </style>
</head>
<body>
<div id="app">
  <el-row gutter="20">
    <el-col span="4" v-for="item in 6">
      <el-card>
        <h1>{{item}}</h1>
      </el-card>
    </el-col>
  </el-row>
  <el-row gutter="20">
    <el-col span="6" v-for="item in 4">
      <el-card>
        <img src="../b.jpg" width="100%">
      </el-card>
    </el-col>
  </el-row>
<el-card style="width: 400px;margin: 0 auto;height: 300px">
<el-form label-width="60px">
  <el-form-item label="用户名">
    <el-input type="text" placeholder="请输入用户名" v-model="user.username"></el-input>
  </el-form-item>
  <el-form-item label="密码">
    <el-input type="password" placeholder="请输入密码" v-model="user.password"></el-input>
  </el-form-item>
</el-form>
</el-card>

</div>
</body>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
 let v = new Vue({
    el: '#app',
    data: function() {
      return {
        user:{username:"", password:""}
      }
    },
   methods:{

   }
  })
</script>
</html>